CS42L43 Overview
The CS42L43 is an audio codec with integrated MIPI SoundWire® interface (Version 1.2.1 compliant), I2C, SPI, and I2S/ TDM interfaces designed for portable applications. It provides a high dynamic range, stereo DAC for headphone output, two integrated Class D amplifiers for loudspeakers, and two ADCs for wired headset microphone input or stereo line input. PDM inputs are provided for digital microphones.
CS42L43 is an SDCA 1.0 compliant PC Codec. CS42L43 is approved for use with multiple SOCs such as Intel Lunar Lake.
Product Features
2W Stereo D-AMP
Automatic headset detect (CTIA/OMTP)
4ch DMIC
SoundWire with SDCA support
I2S / I2C interfaces
SPI Master
S/PDIF
Security
Parametric Specifications
| Package | 70 WLCSP-88 QFN |
| Analog Input Type | Single-ended-Differential |
| Analog Output Type | Single-ended-Differential |
| Channels In | 2 |
| Channels Out | 4 |
| Control Interface | SPI/I²C |
| ADC Dynamic Range (dB) | 94 |
| DAC Dynamic Range (dB) | 114 |
| ADC THD+N (dB) | -82 |
| DAC THD+N (dB) | -93 |
| Sample Rate (kHz) | 8-192 |
| Analog Power Supply (V) | 3.3-5.0 |
| Digital Power Supply (V) | 1.8 |
| Logic Power Supply (V) | 1.8 |
| Power Consumption (mW) | 1.6 |
| Operational Power Consumption (mW) | 13 |